Finding the Third Proportional to 218,850 and 471,180

Step by Step Solution

1. Step 1: Write the proportion equation
   218,850 : 471,180 = 471,180 : x
2. Step 2: Convert to fraction form
   218,850/471,180 = 471,180/x
3. Step 3: Cross multiply
   218,850x = 471,180 × 471,180
4. Step 4: Simplify right side
   218,850x = 222,010,592,400
5. Step 5: Solve for x
   x = 222,010,592,400/218,850
6. Step 6: Final answer
   x = 1,014,441.82